1013123242100 has 36 divisors (see below), whose sum is σ = 2314186778400. Its totient is φ = 383920385760.

The previous prime is 1013123242037. The next prime is 1013123242171. The reversal of 1013123242100 is 12423213101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266609480 + ... + 266613279.

Almost surely, 2^{1013123242100} is an apocalyptic number.

1013123242100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013123242100 is an abundant number, since it is smaller than the sum of its proper divisors (1301063536300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013123242100 is a wasteful number, since it uses less digits than its factorization.

1013123242100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533222792 (or 533222785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1013123242100 its reverse (12423213101), we get a palindrome (1025546455201).

The spelling of 1013123242100 in words is "one trillion, thirteen billion, one hundred twenty-three million, two hundred forty-two thousand, one hundred".